<template>
  <div id="uesrtext">
    <textarea
      placeholder="按 Ctrl + Enter 发送"
      v-model="content"
      v-on:keyup="addMessage"
    ></textarea>
  </div>
</template>

<script>
import { mapState } from "vuex";

export default {
  name: "uesrtext",
  data() {
    return {
      content: "",
    };
  },
  computed: mapState(["currentSession"]),
  methods: {
    addMessage(e) {
      if (e.ctrlKey && e.keyCode === 13 && this.content.length) {
        let msgObj = {};
        msgObj.to = this.currentSession.username;
        msgObj.content = this.content;
        this.$store.state.stomp.send("/ws/chat", {}, JSON.stringify(msgObj));
        this.$store.commit("addMessage", msgObj);
        this.content = "";
      }
    },
  },
};
</script>

<style lang="scss" scoped>
	#uesrtext {
	position: absolute;
	bottom: 0;
	right: 0;
	width: 100%;
	height: 30%;
	border-top: solid 1px #ddd;
  > textarea {
    padding: 10px;
    width: 100%;
    height: 100%;
    border: none;
    outline: none;
  }
}
</style>
